Sampling Methods Flashcard review

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What is Systematic Sampling?

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A sampling method where every nth individual is selected from a list or queue.

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What is Stratified Sampling?

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A sampling method where the population is divided into subgroups (strata) and random samples are taken from each stratum.

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What is Cluster Sampling?

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A sampling method where entire groups (clusters) are randomly selected, and all individuals within those groups are surveyed.

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What is Convenience Sampling?

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A sampling method where samples are taken from a group that is easily accessible.

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What is Voluntary Response Sampling?

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A sampling method where individuals choose to participate in the survey, often leading to biased results.

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Why do we randomly select our samples?

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To reduce bias in the results.

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What is a representative sample?

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A sample that accurately reflects the characteristics of the population as a whole.

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What is bias in sampling?

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A systematic error that leads to an unrepresentative sample.

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What is the difference between a sample and a population?

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A sample is a subset of individuals from a population, which is the entire group being studied.

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What is a survey?

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A method of collecting data by asking questions to a group of people.